Pump head



FIG. 1 is a side elevational view of a pump head, showing my new design with a portion of a container being shown in broken lines to show environmental use only;

FIG. 2 is a front elevational view;

FIG. 3 is a view showing the side opposite that seen in FIG. 1;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a pump head, as shown and described. 